Journal:
:international journal of pediatrics
0
javad baharara department of developmental biology, animal developmental of applied biology research center, mashhad branch, islamic azad university, mashhad, iran.
maryam hojjati head of noor hedayat, center of autism spectrum disorders, mashhad, iran.
hashem rasti phd student of developmental biology, young researchers and elite club, mashhad branch, islamic azad university, mashhad, iran.
malihe sarabi jamab noor hedayat, center of autism spectrum disorders, mashhad, iran
introduction emerging hypotheses suggest a causal role for prenatal androgen exposure in some cases of autism spectrum disorders (asd). the ratios of the lengths of the bones of the 2nd to the 4th digits (2d:4d) are purported to be markers for prenatal androgen exposure and to be established early in gestation. ratio of second and fourth digits (2d:4d) is usually used as a proxy for prenatal t...
